Rock beater



FIG. 1 is a perspective view of a rock beater showing my new design.

FIG. 2 is a frontal elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is an end view thereof, the opposite end being identical thereof.

The broken line showing of the bolts is included for the purpose ofillustrating portions of the rock beater and forms no part of theclaimed design.

I claim the ornamental design for a rock beater, as shown and described.